{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146791",
    "entityType": "User",
    "nonce": "0xd2b768ee60aa80ad4b460dde9ff04209aed4678eb4a2da2a2b88b6c3c7ef1be2",
    "signature": "0xa6354feeaf427b8d9d641ebe5a7f031769f60a0052b8f2b68d61f4498159a1807fb74ef5c00deb0d884c514b435996e6b157e8beca458cf58828a9ca68adcfb61b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}