{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279392",
    "entityType": "User",
    "nonce": "0x2ba5c94b7288195782c840c4593ad7a27413bd5f7d5261707171ffea5daca878",
    "signature": "0x86c5793e020161be9466c7b87cb397f8e576d62508a20a1cc51e013e627772f50cfbe0a1d86c818eaff2ef2e6bcbe19846fa365bc896ec591fddb11b62707e551b",
    "signer": "0xcE770fa346f7BC8641fB998220480D8C77045850",
    "userId": "993121304"
  }
}