{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1854579183",
    "entityType": "Event",
    "nonce": "0x3b772e9b5209dc149bfe74752aef1ea11ef7d7eab2b0ba8d56aa0faee4634426",
    "signature": "0xffbbb1102411154906b5d41dba33996120c9a17cd4e51afb6a0c27c0bdfa32d751bd5d7061703d7d208a9a32ff7c11d05493bfae0bd45b6edfb6661d1d87b6841c",
    "signer": "0x0eaC352dF70F508A73F9a2d98dab708737beAB8C",
    "userId": "820616115"
  }
}