{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "602",
    "entityType": "User",
    "nonce": "0x53fb2ae69980a5ce2e0081e4fb200742a5eec9714f9040f34185bc71d1406d61",
    "signature": "0xc0d1e07eb26cbf451457f91393babf4d2efd1bfe4f38eef56806395870f20aa70d20d4eabd0ebd89e40821b43683e721628fc2618baac8e93c6664c3518986e61c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}