{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48340",
    "entityType": "User",
    "nonce": "0xa1d4411e3e59e534a346b9680a37f5be12555c36e946ca8e1339a73007d0e308",
    "signature": "0xbb45c4fe2b813bfed45010ad5bd38e0ab2135ef3cc77f105f877283f0eb9c31210e271cd12e30b97f45f5f1a3f0e178ad46dfdbe0ba395f3e4b736805921ee2b1c",
    "signer": "0x82eD4826B35d420aDD935299579192Ce1e0951a2",
    "userId": "371339529"
  }
}