{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "562",
    "entityType": "User",
    "nonce": "0x805e633cd5ab89946981e35df7d531e6e1ed2a7177802ee2944bf5a4793b20d1",
    "signature": "0x98407aed1facf4cbc2e042812d7f2a23753b81ebeb21f30e2a66c9c70a5ee5f417df4634afc118b70765e3e06a33ea088b50fc7aa5f0e3dd20bc0eab398caab21b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}