{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xef00de805818666a7409e89dee12bdd1f472cd246041bcda930c65782e16bcdc",
    "signature": "0x1410a0efc828102c95bd06a046959f0266e1a349bffba67fbd941f204b983739533d9ec644093bc6f62c3a22b8af169fd9fa7b1b17774a65b4f61d3999c81a861b",
    "signer": "0x4bEB7D64408E377BC0cE5706956846D437acF8BA",
    "userId": "147968817"
  }
}