{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "733151707",
    "entityType": "User",
    "nonce": "0x3b5358e0797458a7628faddb6c6ee16bfe4941248feba31102cd0fa614b942f0",
    "signature": "0x443806473f0aedbfba64ae5a161898fefe242ec270351c007c33a334b6d390396a55546efdb74dd99ea3814837736f355002e4007ed6d981eddb81f93ad206661c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}