{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0x8b85439ec0e62ca769e761620b8ee01f979fcab3ef01a8471ebe52ae7aebbbd9",
    "signature": "0xfd1ef9a9b8ac9c845e917ae1f50b9919615ec18fa687684adff4ab7022476d8402e78c276d2f089d410449b56ec93e312e46df63b629a77dd95e87d1ab7c4ad91b",
    "signer": "0xe1EBB2b0eed447a94b95294C357cc71235152A13",
    "userId": "888593291"
  }
}