{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x813f88ff1f5be07a1d600be26a962442ca58172384fe2c789777238324a60836",
    "signature": "0xea4c3682b8d971dd303f78146ce8b03eec86644516d53fca2ab5c04e87fda3f6050ef86e04f1e4958e8c9e87a49d14450fcf283de6645d72209c59bda85dba401b",
    "signer": "0x9D360ECE27645E249fbb45fC03AeF953A81031Dc",
    "userId": "579726392"
  }
}