{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5eea2e4f0177d41f595b5508ed4454b42d84f3d7d09779326d9db7afb3186058",
    "signature": "0xbc79847741279e8dd0bdbd2bdc5ad21f960107c3899441a7550c9536ed69300a54671c0500537ef9b94ac2c32b392dcdd52aca3197c563c12d6301018d37eec91b",
    "signer": "0x3Ab91E8eeBB4B3B668908Cfa0bcae09bc33462cc",
    "userId": "798628791"
  }
}