{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322398",
    "entityType": "User",
    "nonce": "0x6b14839b559c8de03ac3ed6d53c75e7c57b01929642762b109ef7b1c00798a59",
    "signature": "0x43b35d1ebdabee50d6c3874721e244c339a46051404fb5acd55ec1cae1abc46b0a8a2bc7ac613529fad9366161a511f19bb0e9bce27e72e5e5d6e9c63e085dc71b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}