{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91316",
    "entityType": "User",
    "nonce": "0xba869ccfdccb0ce9cc55082a2472a6f848f68318762cd0c52b393e2c6d6758f1",
    "signature": "0x9228a9184f00a29f39447c17624c51b5f0f9c34888d9f76c8358609f7e7d2efc63e81de72f8a750be7fc14b4b8aee71cee913d7df593c5377ad4940ae50659cb1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}