{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126",
    "entityType": "User",
    "nonce": "0x1ee473b4cab388ad4240a38af40fc8335e12840e202246a8535333d75be9ae30",
    "signature": "0xe6f8551bc353d597a6e55b43a478d774dfd2184a686ed408b816e0329e5856a351e3cd3e692021937fdd7359c202018f278b3536a5d32cbbb995471b4d20a2ca1b",
    "signer": "0x70a000296C348C5b25F21889827f220e44CfDc97",
    "userId": "889569599"
  }
}