{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xfafb50f44b4a73e0814cffa40a381e65d62c54a698004e059d8fe98559a37f30",
    "signature": "0x735aa0b566433ef30abf26fdd0b61febbb3d0301534898e62d1a729f27a992ed13adf85614ba7b0dd4e15d39806b6e33ab9f9f74e25b1b96fb01f44715e35f231c",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}