{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108176",
    "entityType": "User",
    "nonce": "0x406e0c12beec649d476968fe8d844bb942323c2a85e3709f8903c883d15c9778",
    "signature": "0x5c5b2c622d8acd20d119e42479540ea5220283a19bdb40969a699a87d8d9c58f1d12509ede63b195acb57b9efddd986cd7536b2d8ab89c428f1fed1933d6f81b1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}