{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50625",
    "entityType": "User",
    "nonce": "0xa69930b3a11f611764867127afb5524aed16acd8c476e1324e7ed1b2f66bb286",
    "signature": "0x23682c34ed01cef89980d3ad6b62b3aee81e4be33cf3a206805bf37b59d4e3a27f82d05da30e377fd2d3b891d5fbeccef47e7175aa8293f3470d71abde74b7601c",
    "signer": "0x98136cbaDcE798Fbbaffd4E4Df4EbDfC381aECA1",
    "userId": "844588084"
  }
}