{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12806",
    "entityType": "User",
    "nonce": "0x0fa7ad69ad88f0b1e9a6ef2c508205793e7b75c604e46910b81585a6cf0a09a4",
    "signature": "0xcbb134652e5d17529c35df143f65630806682e60d43af3cec77296514a723d8151d391955c274a4726055d12e5abf06246f49fbcda9d6015e9711559e9e74d0b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}