{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347461",
    "entityType": "User",
    "nonce": "0xc4b455d6d052830654edf97837fbc8715324804a0161566d9440e076592b4530",
    "signature": "0xcbb1b01814df43d1c43219c5483a2e0d301404b0ae34e01ab20575e4da60f64c4d7d0b2fea35010161e0d8d23d74c7feadabeab63abb1e6d90b15bab72467e851b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}