{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0xcdcb9fc6f2e4b1cc5d49b6a0fefa810f6481a54de5b2bdc4383d215de55e1dff",
    "signature": "0x2775e03a2314394bbe07393e60eed18b699aef9f0384e8f4518a33ab91399acd6c9c8b5e5632d859f4442fc327c3899dd763531464722874423be41ec568a1b61c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}