{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "92019297",
    "entityType": "User",
    "nonce": "0xdd68b6eb3522fe5513b4a2c3014b2f7e7231b2aa9aacd05b6700917284820f84",
    "signature": "0x52d1d471d2c8532b184c8b158be0716d7e7f85bd25dc2339ac7fae94890e220c6ec1f384a807e79f671051e98f69854232b434fe3a8bdfb926048b24a68fa7951c",
    "signer": "0x5D040c7e172B07431383B4bd6Fdd84ed67B8Ba0f",
    "userId": "508547804"
  }
}