{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x27609a870f862b65963fefe9bd1a07b31e6bfc16b3494188ab2c971ed9393c34",
    "signature": "0xe98965aa37291c26c19a8b25312896135b45ac694db6d626d20596d4dbecde2a3973d06043c39ba407b061deb4449c80bb4f3c25fce3b582bb9167df958dc66e1c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}