{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x59eed156d2ac9aa7244d460e5c864e2b46af32ea6586221f14765173e2eafd32",
    "signature": "0x36e1c48bcb024d55184a9fb1fa3705e9b910455c54bb9ac3b62bfc28f19b5d4f73c1b2a4a28c5473afa6b0ec436a3fb25c7ec7c27148d4172fd5aa07d639382e1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}