{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x6ed695b3caf613aaa826d884d2399a810de36260ad5caad9e2b303c7d62211a6",
    "signature": "0x297d65e16cd6f05478f7fbe34dcf636c5738f5d115db1bbb95a150b9145b0c1a2e7f8caa7df7095a372a7c3bdd47715f658f94137549bdfc878df073c7d1920c1c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}