{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0xcfd4ad2d8fdceebbe581a26e5825e03efa480277375940ddf68d7776c0eb1751",
    "signature": "0x828d57390c23197c817267a1a132338a7dbb9ca2c4123635483b651d895b53a537a2a0c9b5b4ae73be4fa31ecf3405928a87341836ad261bdb491905d54c47901c",
    "signer": "0x83A4162810A55B49858D3b17aC8572D1c34eC8EE",
    "userId": "517422960"
  }
}