{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "726807",
    "entityType": "User",
    "nonce": "0xa7b9634e6294d335e4137595352c7ee6855e8f0212d1396001b0001a6d439553",
    "signature": "0x22646eb37a35381b8b91e5bbe8e3bc8e94c769257fc6ce7001da92cd0bbded9604388bfc3d07cd9e89eb232ba8fb2a1d97c7032fc9cbdc9dc56dd79cd3fd077b1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}