{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xadcab8a92a4e71aac445b936da77f00b1d03c9bcb3cea005e168983140b412ec",
    "signature": "0x057e60ba6c5792e09478764623aaf43431da06af6794e4607d363237b0f91741272b117b6d43a8771a72d512dcff7e85d37af81e4f78c02015d0951ad2a0542b1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}