{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x563df0fb132cb7d556f0efc6a6b97e0089b6472143b75c4703cb7161202dcf8a",
    "signature": "0x927e10e6fd0c7bdbfd1c99ab4a02f7b17981b50f9cb46bb15fe4d6855c6970547f9c48f669251bc63758e88fe05e21972474f60f1525553820b7727f8e3f630a1b",
    "signer": "0xa60E913f7F24c49Ae89F733c2a49BCbDf9921b6B",
    "userId": "693661795"
  }
}