{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347461",
    "entityType": "User",
    "nonce": "0xd8304ead6e30b75e01718f6cb64317f95978a730abf2906cab3682048f6ab890",
    "signature": "0x61726fc61ef66cb58757ba50990dc4b33f424a94bb0781fbeca4f14560b5095108a15867267acb008716afcb8622502f1ab487c30a87d4d390c3d8d1c3c37f071c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}