{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11541632",
    "entityType": "User",
    "nonce": "0xe7c443786881361b98f9b29dc45bbe88a217dd0d1fd1ddf78cfbe122fd5707e9",
    "signature": "0xcb666829819e409ca76094f7088052d1580d1da5bf093efa13e3f218094c360368a1969334f37d6ea6c45c9209c2001b8daec9b321d35963f95df74ea0c6fdc81c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}