{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9768",
    "entityType": "User",
    "nonce": "0xbda377ca669bb17f58d86ab030bc47f44327ec37ea18adb9dfcfb627a5a64554",
    "signature": "0xe5c94bd059f004309041eec775c930bf7a0900edcaedc3b121059e0ead571b6d7742224d8f19605d0bbf37cb18f9c7402bee4efa141378e1e89c3fe5831641d61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}