{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77219",
    "entityType": "User",
    "nonce": "0x08f3761f685f733899e115cf88db91b9819f115ad31e4865d3b2c6b555269fdf",
    "signature": "0xa7d2ea72d0ea65899ac47e49a64d4cd6993d9d01631abe078c8109694910252a2b03b6273dbd287bb88249c8c3625030d722a0621b27d483b60b5d346c227a7e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}