{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169406",
    "entityType": "User",
    "nonce": "0x3585981cd793594e535c37de05cb8dadc26edbdef0e0ba0ea685db2775866094",
    "signature": "0x67a01b057f05f8a9e44bd23296c8c3fad9da8c9d7e67e8686448705dca68edae20ce260c936639d9d505abe241f73febe3ae8737643a7890d56ad089f02b22e01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}