{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9e23a65bffbe5c0b6ca9b5c982adcf8a289a88fd1a88aa536fb995df0d85041d",
    "signature": "0x8a9a8fd0d40b6b3e2b999829fe5c0402b82fdcc06949ec8951418577b04cb7c36e6bdf82d0639a2c49726fd3500179ea81e454334a889aed3f09f7cd5c1d1bd81b",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}