{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x237a27578ae441a8cef29917f67fa72293d152d43a5ddbef7777286f0ba499eb",
    "signature": "0x301b987589560db6736f8074fd63361e631c7a361531a188aa954e34db3f0ff04187404bacd65083758b00ffc6ac99b8d37349707bead8536cca9dc8c319dbdb1c",
    "signer": "0x9e2521FaffBd1356fbEC0f30529b13fa87f0AAff",
    "userId": "852557974"
  }
}