{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486514977",
    "entityType": "User",
    "nonce": "0x96ae21a4f04f682778d6c548d43fa5168b97f4f1b338358676e6326fea22547f",
    "signature": "0xd14b678ea63a682961dfa00d2ceea5869a82ac7b4fbcd1f3f9750e848be12fb438d3abb18c4f602687ae303dcab6004eefc1c2dc914d52cd78319cec540c43901b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}