{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283535234",
    "entityType": "User",
    "nonce": "0x5eb55145df298e54391d5e2591e8a053cfd5b77b6014f1c4bba0665ff838b901",
    "signature": "0x7fe7738c90cc3be32bd577f8b513cc229b48ef19208f90aac0dbac8f2777d51e02aa4451d3aef3df4bfa9b4656e9655801a9115a8ee7101a85b6151fde7c54f81b",
    "signer": "0x262FfE6368E86674bFd32404757f3A8B1a189F85",
    "userId": "664900058"
  }
}