{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177366",
    "entityType": "User",
    "nonce": "0x0fd1219a84fb7b2ba35785f37051da7f16fdec47931b841c5fd0386f8e811542",
    "signature": "0x99307f81a0febe745a922c31d7619a335728c824b4079936bbea57c0db94c28d650a85509f53e2bd6b2661b99538419ede277c227dbe958da4d44265e0e610811c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}