{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "391446526",
    "entityType": "User",
    "nonce": "0x1bb035b77ac0bcad2f78227f9e9558605c425918132eee03be8084b50f419993",
    "signature": "0x87098c244e342cb1219bfcbf5df4dab9aed7483d06c23465a934344cb00acc2a55b8f351ab51355cf6752c093c856d3a9d2ce0eb2c65ce83043c7a02135da0041b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}