{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7538",
    "entityType": "User",
    "nonce": "0xe46797ae1cabe5da1491e26115e7e90175c71e8d60d8671582ed1414144a0f00",
    "signature": "0x99cfbc7146973dc5a017daa2bc70a86cddf0f1a53b0b5141ba108343b8172f7a455cea23beca43d9059368ebe04df1a01dac0c52c582b9e251789f5f53cd3d141b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}