{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135809",
    "entityType": "User",
    "nonce": "0x222c7d5376ceff61da8f322c176b45c19ed2d6150b10c8722bca724022d74ac9",
    "signature": "0x16e835d90ecd086d297307c7b32dbee73552116bcc6512dacb925da8d3c2d09e01c5663a77572f86c695857e8f21421b3ec8445a52e35613dd2fca9f124d8abc1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}