{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xeb5cc1a9f37f0c8a4a375b7ca02ebf817b1a1ddb980f2074705edf1049c0fcbd",
    "signature": "0x193e2fe4c6509e807dc6be0d84925815f11cf3aab6d82d61d8823b611d45fee61ad059ff13e87a5deafd36a9f2d33c1a7f17b58bbb38db4c168b1ac67b350e8a1b",
    "signer": "0xCE1807CbF44d0BF3961D9A4B757dA508604b77E6",
    "userId": "157032641"
  }
}