{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964526",
    "entityType": "User",
    "nonce": "0x4c904d597d0eb461a9800da58496e88bb878d474be4f6630c96a4fb864c34cba",
    "signature": "0xa02daa971b2e1a320bb3ca51fe91018800fedaf48c52386bfeb15762fac18b3e4c8ff8ad3bb39acbbfeb00e702e3b3065cecc757b59c715a5bd9cdcf45bf33ad1b",
    "signer": "0xc0621be31c1D1B62b94F2d48eE34dD3c3dA9D57d",
    "userId": "161438318"
  }
}