{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "474113241",
    "entityType": "User",
    "nonce": "0x756dab5a707df683940585c8f7c1d20ef407730988904582a7177040468edde5",
    "signature": "0xb3b444a87f715dfbcf2bd17437efbba07342d45f4a082217072277cf7d6103af37cfa6f31998c40bd90ba147138120a67839342b4dd9f34cd5cd69433f17e81a1c",
    "signer": "0x0eaC352dF70F508A73F9a2d98dab708737beAB8C",
    "userId": "820616115"
  }
}