{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192045",
    "entityType": "User",
    "nonce": "0xf0d94a46662762ee0b036d10bc1abf3bfd2f16ba09522955c30574a0d26c6aaa",
    "signature": "0x767ae1493311918546ac36fde9b7369d691a63452f92fbaf1fffecae8d3172d602cf2202950a10747ad27805aee31ec868b5ee5c5fdc79fe2d733585be967cc01b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}