{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144585121",
    "entityType": "User",
    "nonce": "0x40bb021b1a3ce06daa14065173aa9e91042a0b027a2886ba8035cd90c441829c",
    "signature": "0x936c5e8ce4829f28bcab417ef792bd3c8f4519e30be118defb07d476564a8fd7112b4234a1d775a104b4e29b2f8c36012ec4181fa397f539a6c1dcf06f49edb51b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}