{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1258",
    "entityType": "User",
    "nonce": "0x3151b32d65514cda6a24cefa208e3f08d6a2fbcae8b267c33c3b7a9083493616",
    "signature": "0x067eb264449a1d20f78e230a5ebb2bec1c11bfa3b01a59a3d8ff8fd1632929df3e616b68c75f6cc36d618b86859bcf32ac608209bd00eb68a0bf79c961623b211b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}