{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37325",
    "entityType": "User",
    "nonce": "0xafb7c2b40d784a2b0b3ef14ae36cee38dac9b88b58c046acd06783fc159a8317",
    "signature": "0xb63da4364a4f3a5f610b1df9ffdc62b260914cc03b0d586871607688be919fa4353bc6fbe922104a7eaaaba404da9c11eda711b3f34ab29139adf096767c0eac1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}