{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x6cf57411708a61ca029a4c0e139d3cc0fc9eb84363c49cdeef325ed946f4fe23",
    "signature": "0xaccc3fc160e02fa0e28aefe14b2b8bad8b6ba2d85366ed231354087d6fcc2a461d8b03839708f6cd43532314b4427b9e6e2b7cd69eccf2c52f35581ad70c79001b",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}