{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "723085841",
    "entityType": "User",
    "nonce": "0x1a9ef8f6c6b85b81a6926b09c1dbf53215cbc30b3e822bcc3ab91b95a5fc6995",
    "signature": "0x9d0a552bb8c7e0bd8e4cffc74d1e499a4b80475ac3b94c4302a62f45ef2043472527c2a61a07409a0f382cce20a68dec1c645ec7e49063a73cda9ff83fb8ebd61c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}