{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0x6abf791c8d3babfd9e51b7542f3d7fc4b43e5195f63949d7407ed04526112633",
    "signature": "0x045c43c18c239c84e1c80512f94e3d413fade5d82ec95ce5a2eaa45f5a6bc8e95051a2f3d51c443bf4744272bb44d852eb8d12eb12fa11e792643cd16c9d6c8b1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}