{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55368559",
    "entityType": "User",
    "nonce": "0x58760f8f321422cdb904917af57dbf562b065b864812a6e1ba459219a0e980ed",
    "signature": "0x2d9b4948fc5a0f74a4ab1869ead159b7f480ffc933b32c6959b23651c4f2fec255e692256eb017eb3d6dfed7fe99faf807eedf6d2817fd0f272b3052b0cdb8bd1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}