{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb95817e12554389a0ac3daf1ea5e1593feedd2aa9879f71ef6cd43fdf4c1006d",
    "signature": "0x05b525339935003624036f963edd61f0b570ace6565d0ac79162acf5d86164727f2b4cd3f4493c578918069727bca4be95d14284302f9f81777e394d0017eaf21c",
    "signer": "0x30B64FB434746b085aA47C69D4d768D621197070",
    "userId": "144074205"
  }
}