{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51154",
    "entityType": "User",
    "nonce": "0xbc78f3c91f16fbe723d38676d3fc92640300a78eabea2348dc6f9727d1ec8be4",
    "signature": "0xa826c35d739acbedbcea53b1d61af946795602cfab953ff07d52e1feb257458c59d4a5546a8d68620d3f8f65b2de6684d911914cf134df6bd44c56ea210e1fa81c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}