{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xf211fae0490616deeebcea1e903273fc3fa4c65343430ff06c67414594d3f604",
    "signature": "0x08516d87613cbe8e86645b39fd6b4ec04b4d9d655b3aeb4dc09d79e0b48a229c1b168ada68a8728f691460054aeeb6e8411bc61dff8227481fc5d9374e8e17fd1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}