{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "922131142",
    "entityType": "User",
    "nonce": "0xb3e601fc7fe89e088628973f001d5d1b3dd8c9ea02db2f0b46e77dfbaa4a608f",
    "signature": "0x196c0ec6d2a92c4458f334b47d9ca74b98aa4f747c8bdd16e0c695b75b6b9e423361b411818a7d8637569a1b6254d6f5c8aa4dfadd94e6491b42c4adc31a131a1c",
    "signer": "0x8714181b6CC4ef4089058190cEA8db6ff1a85b62",
    "userId": "295478826"
  }
}