{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0xb28de4d5f4073ac7f9a08ead273fb0901153331eaf45c69e0b73f76c8c75e0c8",
    "signature": "0x91d7e9dc1283550fa6c195b54268b11598d670f4be6ddeeb7b92765a05ecc5614c4a4c855804e81d06c2303b32694e24c68c9195b9cd0c87b70cbd54b512935f1b",
    "signer": "0x0f60ca71dCBe6AB80DC2FDF0Efe863EcB0A49b6A",
    "userId": "486924218"
  }
}