{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3184",
    "entityType": "User",
    "nonce": "0x27d700deb26bd3ec6f0f7cfcb0560ddd1a1b350d0ace13ae8cd5ec9cae994ead",
    "signature": "0x09906964ce0a0f94a6cecf7891f1ecce6d6675b15d48dcc6372115531450073a485c91a48152a7da5674a5c8022469dcd30c4a6d1461f7721900061389bf63fd1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}