{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89797",
    "entityType": "User",
    "nonce": "0x420ab552a0993e8e1cd9f5c9c755d16d4081c3bc6acfd96f170405de445b40a1",
    "signature": "0x2d85fbebb8b3e0788da476f71cb83a8b0c09dd050f1eb2417282c4148fd048764aa8feba0188798c80f2c517c0fb44d8032a0f87f8d94d1c8883e03f4128779b1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}