{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "207463",
    "entityType": "User",
    "nonce": "0xa8dd8fd34c58ce1d7a300c07095179f9ee25871021c9dd9be965917d9c0a02ce",
    "signature": "0x379a562eddc3aa262646eb200edd54b1690146e21cbef8d65f62d909beade21b722d13dbf4ff639770de13f9deccbd3e0453b8418a8190f3d19f9c01c0748d2a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}