{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823652912",
    "entityType": "User",
    "nonce": "0x532e39530bece46e458be114cc9c8efac0b9b334fa0cfc3fccf63121625d40fc",
    "signature": "0x939bafa49cb62a36b798d5077b933f32462a36bfeac730b0a126967afab2a7135f182494f164d7eaaf240d844cdcbd6af34762f7ccd0fefeead8552b721ab7441c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}