{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12054",
    "entityType": "User",
    "nonce": "0x8431bd9a7196a55f580e2bb2cd6679e421e5888020865cdb46094e77332ef2bf",
    "signature": "0xe64420b9289e094abee4a5f26307a5f552d2fafc164cac3a3256c20bd3bb87dd205b592f01360c5d463b2becf717d8a9152b6fe1d7b354ea80c4e236ed1a6e731b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}