{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758176",
    "entityType": "User",
    "nonce": "0x8a66036cc1dd8efa647206705018b3858e9d5295fbd557d89e0aae774eacbe1e",
    "signature": "0xe9a26f285d888ef0b2b1b099f6cc63d6057815676d65257f31b83c3c45ecab9604c221ac4aa4334008e93c6991cd11ee05b5cf80baa2cc25041d76402839abb41c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}