{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4d4c284945c817b51a25c349153540fa8808a3e3164e16ae2ae2672dbc309c10",
    "signature": "0xb67b790be8bad1c40f3771e5b8142381acc646be5110a4f2b93b345593bcfc2069a96fcfd1f9582783aa1fe6d3f00018b1be44996113a42a816c9b0c288117c91b",
    "signer": "0x801cFd101977829e8D371a77d53FB980b2BA75f4",
    "userId": "611862968"
  }
}