{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "861",
    "entityType": "User",
    "nonce": "0x734bf8db6911460ff72c46cf24d161b291257484183014aa5ac9113ca4f58040",
    "signature": "0xa69e5fd878918de6eff3854451a9dff5de2078a4a6a6246680448931467d633914235ec85af4c95f68347a6a5a7b3edaf9e33a4de1c3cf730287fa524ff3d70e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}