{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85802",
    "entityType": "User",
    "nonce": "0x5f4bc275c2e33eb8cd00ac615b90c2c3203fea1eeef3d4735a110e951849dd25",
    "signature": "0x201ae91521249952e3e90d72044db9be09b78ae146a2d892c7469e59cf603efc010b05a2631e569c5da744a2b612e7fc2f9be54a62e4732e6fb62d611d8c63c51c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}