{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "845727327",
    "entityType": "User",
    "nonce": "0x6c3e731cf979e6bf37851a7401896d19fafef1bdf40c7434c2adaabec41162ee",
    "signature": "0xd500852e6d5bf621cd69e06a7d28fd0d5893f27db4b801bdf52da47d621aa8aa0ecc65ac54c3a379a4a76bac860c9ac59a7709d2d810ec1fe27ea159906e30821b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}