{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140587",
    "entityType": "User",
    "nonce": "0xae5baf8bb92802359b4b4c871afc4c712f931caa54f8d9e31860d2a370087301",
    "signature": "0xe233a71c5646bdb9c2e00cec2bf1a68a1bef05df5af3835422d5b9c5090c3ae821233106951239b79f0051fe2d8a26cc9f34666f8c71308492e56bce73070bd61b",
    "signer": "0xfeBBAF2B7d9F5bE3DAA34bEe70259f61ac4aB836",
    "userId": "139146722"
  }
}