{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x12e22b11c06260f4aef6f37e570219cf94860c6f06ff932365ac839c9e0ebb1a",
    "signature": "0xd6b45a7719a52ed31ae00aca27d6a70d706cde6ff5d59a7ecd8452ce9a6fd0532d8bcea7f2edcbcdeba0b8eae4dba857f465f8001f09123d0f38bc5f56ff9b561c",
    "signer": "0xad6b380E71b2624b259f016e11ED900c9032c287",
    "userId": "918567161"
  }
}