{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "231376565",
    "entityType": "User",
    "nonce": "0x89077eedc004613ea5a04ac60d140f0775bbde10a87883d840864937c2f6774b",
    "signature": "0x96359901fa8b8456eaf71fac4034bb9f196ac68be815e7c6ca35768962547b4170a47b225378c0dd78ba1a3425b7c61bbe3e6f37f368efafc8390f77384bba791b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}