{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54988",
    "entityType": "User",
    "nonce": "0x184835c7adf65fb606505ad41fc0b71bd34f7114ff9983e7350acbcef7afa502",
    "signature": "0x9328f4593a79b13306e2e50f0e1b5dba61dbb8e65401e53a501160bbb5d44740768d41a60b3880ed85db1f2aee305dbce3a216fb0630b8f1dccb5a2e95fb1b1a1c",
    "signer": "0xf0b7347530b832fbFea0Bb3327Ec6298b431225A",
    "userId": "62942053"
  }
}