{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134409",
    "entityType": "User",
    "nonce": "0xb3bd496c5ecdc15553496754b7bc189055d1c38ecf3edc6ae02ab31b32d2bfaa",
    "signature": "0x2bdd5e01e03816b68ee2a6782ac530d8e1fa9f20a4795b6c69c41a090f9ae94144722602247f82a15820b66038dd2d8ba3d4a8c09eef81066b3237fcef8bd8901b",
    "signer": "0x1366a1037C8F2E691bA2D0dF3a1176FbA4736510",
    "userId": "39692"
  }
}