{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5847",
    "entityType": "User",
    "nonce": "0xa2da20570b4277a7e33469d18e8225cfe627c0812483c98b83c10580b5d113df",
    "signature": "0x18b710f8b32264ba45fb6a0d3fccb471dfaf98e9d7e9c3f446f56bdb4584879742974a29c3fd342aa89730d1de81c1a68e9bd41f4c030e6fdcfd56c0b2d68d8a1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}