{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x431a34b31191df84bfec0f6b6c44bc7d0d88c5c283543d9653114aeb3f2a8563",
    "signature": "0x5b132436502a97ca0e342adef4e138664b95629757edc3fcd7b2ac9fbd65f20554bc1c2988dc53c420631b1dc7db7d8d2c9b7bdf8f9eebc72e00111cc3be53f91b",
    "signer": "0xAd948EEedA4AB2d06bF3150Daf2D25De733e7Cd5",
    "userId": "175201368"
  }
}