{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254625271",
    "entityType": "User",
    "nonce": "0xdc7c11bcfa5e4efcd34ca4f7ac70364363d5685a2d5233c6faa86febcd36bd11",
    "signature": "0x284c34c9236b0568e7d8b53ab03fcc2ec84020426246670da0d7a8b2854d4e8f1a75643268efa51323588081d02bad93bb438c9cff78a997927f99166043c7861c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}