{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "248317416",
    "entityType": "User",
    "nonce": "0x2b15e85df28135ad27b732e5d3cd7aad0e19901826141f5e3adfff1086f4f2ce",
    "signature": "0xb732faa070aa60154aa351cebb9f463c7731f15822358de08de1c585e4dac6076c190e2569ffec5486ea0c9a8772a944d981e9dcb9dd47a06fc0b9c525b197a21b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}