{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85660",
    "entityType": "User",
    "nonce": "0x90642883403fdcf4fec93e4492030c9a0111ad4bb8aa4ac59e05513ba599153f",
    "signature": "0x245852366c48ab294d3335acbf79d8f831f70e4ca3758ae68a2f40fa4fe44d123ac55af5a024a59623f841c31aceba4f35dac3b988038ce803770fc5fda3b4581c",
    "signer": "0xe37e3082E6bEE4aBA583b44542CbCbe93ECA05eA",
    "userId": "885355303"
  }
}