{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133392",
    "entityType": "User",
    "nonce": "0xaa147ed4c51ad3f404eedc94761020a482760b449dd0087b6d60d39645298efe",
    "signature": "0x8b494d02bc6bfc91b09f76a0e92340184e5aa5e8a67d41cb529d4414d88aca724b8b1a715f59bb2b0fd80d84c147d76ff1b555b572806678192e27cccb22a20c1b",
    "signer": "0x8E12224e4dDc1BdfeC3d5Bf01DB7e4Ec17403ABa",
    "userId": "627040654"
  }
}