{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129374",
    "entityType": "User",
    "nonce": "0x89ab7183d58a69475b584d324907e09ac27ab1673c98dbaadb8aa85f97bfdc05",
    "signature": "0xe3b874255aca1eb03375ea5822714e78c9c76c741a6f6193e277040d6f9f204f18dd23882bdeb51610b68763f8c4848377df0596a356e696c2178250f1db202a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}