{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132576",
    "entityType": "User",
    "nonce": "0x5ae29b71128aa4493f22d7336771d340fdd8020e532145ebb0fe7afd3323381a",
    "signature": "0xc4964e3bf29f78396cfec32994bed6641bc586edc8c55537ea8cfd1e0ae3edf1650742dbe263e52fd8ef5207ca53e6b9175997afefff7ead3006cbdaf12cf0ba1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}