{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16156",
    "entityType": "User",
    "nonce": "0xa5160313e19d09276295331c08fd5cf429609cec35f750339103eade2f9b8d10",
    "signature": "0x9870f3f8226a34ad57d90ba93f69ea68fa3c81dc5fc6eeee944d37ddbc5ef0d86fe6c86f542b8c75df3cb319a601a647e176cc36685b274da4302c012eb762861c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}