{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0x0ab1528a0a7184d947ef986cf1febc69524ec026786e844c43d77d710be60c6f",
    "signature": "0x7eb880160cd717d6c6b1b1e5c2c42000bc3156a952df2e75de07a497154ca4de6bcb0ea1c5a591837191573996d6bfa139c8e4fd85e66c4b26ed960b751ecbce1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}