{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119411",
    "entityType": "User",
    "nonce": "0x14a76b921da6cce3023a76bb4f10f639b52028bb0eb3037807c2990ac4f1c26e",
    "signature": "0xece86f2af767e93473b477e53736d13d580f2690120f082e6d8be4a1080c43221c27f336419d63ef4171d551951c2b721355e216e66caa4e041b646b73d8aed01c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}