{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "254903",
    "entityType": "User",
    "nonce": "0xdc5f4d8c701e71d01faa0ea08919f6f9fbd0269d3acf8db24fc2aad660cff63f",
    "signature": "0x04643901f5dd7d002407fb8790064812b5130e5da8b5a1373c11b932bae155db616f9af8ae4b466c8208274eb7125ca4b36a20c07cae743de41e46c4ea9f47f61b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}