{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "464952",
    "entityType": "User",
    "nonce": "0xc57552816a8d1ecb613e4b087a8cbf2e48e050753ef2c186d7dc45fd882b44a2",
    "signature": "0x13dd28059f92704c3a474a3454637061f4278957e85dec65d71335b26c110734610fb0b831b2ae3156545a3629bcd7dffcde4e3fe31651caa1047c352539b5fe1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}