{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67112",
    "entityType": "User",
    "nonce": "0xae592aa4c509f632892050f5ea01799a64dabfa92d9f5657c5cd457234044e32",
    "signature": "0x535b285e8afd669cb7144e0189c931fb8ff396340d29910673b0fb34dab1203d3924d4995b650f894b15b621d123e839fec9db367884895d01c7605102b1d8b31c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}