{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0x378b741fd4a39e0fd6b9918b763ddeb0e7d375fc1c3719048b8a07fe5880c601",
    "signature": "0x7b6187f8903948dcdc9ba88e84a79aa586c1279e844be38a9bc1d0dc48712c944a013241a959fcbd52b1d6f200fc1bf52cf3561b7c7d6712ae6cdd8375ad67321b",
    "signer": "0x9681BC77156FF79A657180CFE1F91Dec126E9c4d",
    "userId": "61556012"
  }
}