{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x63f958bbb53f01f0c0296c590b3610d4bfbdc0646be6661c4b622fc97816eecc",
    "signature": "0x4758bbfb38da209141d452af0572ca144d012166175234422c26c89d55cc22cd6fe8134f96132dab32e5c48ad8b70380483f58ef0931ca3ace9f3b959d0cb4c51c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}