{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354640",
    "entityType": "User",
    "nonce": "0x18179061bc14b204c0a4fee9cff2140926c48f2287124638b66a4ab631286a94",
    "signature": "0xf17837ed495a3de221801790f9323e15a0020ef99ad2cbac9a008e8f187a153a12c7782e003823e147c3cf4f7acb1cb3383d26bd549eb9fdb477f41ae8b664601b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}