{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb41a49a2328be83ea318489b7781fd580d041b6c530d906b842af7ea1c1ffe61",
    "signature": "0xbbe76876b6b82d4dd370d0453b83024dfa07624f56c6ee99c6688e6623a1ce0322b1be6ab1907cea094b1600cf5d3a06408f32b9d50a7eab531b9608503f4ca11b",
    "signer": "0x62166B04c9D6106268ab38967c930aF362327Efa",
    "userId": "266915774"
  }
}