{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6256",
    "entityType": "User",
    "nonce": "0x64a46eb7199bcad80537a75b2bdef13b5a0ee157185b2d722972c543dc4908b2",
    "signature": "0xedbb663690f7b4e8cd21540fdb82a709e2e7b3a50f938d87a6b5e606325507f40739ceba07134216c00404d42ff15759ed114730196969b1f2919fa1761809b71b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}