{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40274",
    "entityType": "User",
    "nonce": "0x59760a2b95474b04d35b6619b58c10ad262a446242841cdbed813c3be13b0061",
    "signature": "0xdbc42cfb26e78d4421d2869c569970f51bbda6f3952b1960e61436966a8c9eb337b7612ec23e28da4f5f087344cb3138b1187a85ef41058e7c097e7ccef634961b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}