{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x8fb0832ab50b9a2c05071467fd268fdbd62690390067ead1c90fb33838469f00",
    "signature": "0x1b261eab4406f740d8d62cc64f5977dd6dbcf4836a297bbf7f4d7b3cd39290440c0e05eca577ef149679d80ae8f0b3d59f19671bb615d8aac72563b01653be2f1c",
    "signer": "0x8034D591D4CA0231Ce46B64D37bdf415E4BEd4c4",
    "userId": "47471151"
  }
}