{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa7eea384c4fb25e3b493c4bcc7caf88bf000d33540bb37d0c25d06314bdce1a8",
    "signature": "0x1c61bfeba36e7d4057b38b22e8569d776ba395b223c60538055b02b265cb2f47000ea5649a3fab081911c4a59432e98583de48a4821caf7ece358f173956e1361b",
    "signer": "0x64cbfb2d979dC858461d3A3383da5e65F86142E1",
    "userId": "349669183"
  }
}