{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0x3aa3bcc16401ef15f1bef88f8478edda602b7423796a1a2c0dbb5dc9fad0dd57",
    "signature": "0xf1976c0224791b72632b392f2cc0998dfbc14b3b34e8cae281849f0e1835a8ce53727ba470979b9162a793f610ca013ddd1423f5b8df9da2d1e53eda6145d1551c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}