{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa62a4161c16371619ff8cce8e26b8f353147122671bc894bebff8b1a1751a800",
    "signature": "0x3609fc68c35911f8db1f908896a7e312882397be0a615d26ad8fe8aa2aba02c94fe362767aafe3bd2d35403fec3294e48248e0dc6b3b31b4af30e9afe46e2d131c",
    "signer": "0x7cB8007132bE8D178d23bFb20646AE22Df595FC2",
    "userId": "843461501"
  }
}