{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364293",
    "entityType": "User",
    "nonce": "0x8cca01b4f861743b00a184a7efc6546a9511966476088349fc4b76555462fb7b",
    "signature": "0xcf8516d2c87f5cf8ae5299613c2d1bc8e9fe74fe016a6a35ab49302ec385176c434701f874d85805a294e9fa189ac276d274a998fbd41e4e0352b488f0ecf0061b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}