{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x5ca47892b9077140a14a3bd3ca2876a2ab177672ebd779cb835fd4b28b62f0e8",
    "signature": "0x418a2ab117b7f58bd5757cffe08b9b29331a0de3ff793bf398b31629d939530a601c78cea79aa3401ad286f777f982c22b240ba751dc5344da2f8e7d836b3a521c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}