{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "612269002",
    "entityType": "User",
    "nonce": "0x4d1dae8ab9734cb88264579823f4e42008fda7532c3d84b3cfecc7dc2cfcb306",
    "signature": "0x03cda894b5a9e0e5b26918d7f73824494e39d139fed55029fc064ad68bdddc944a85893350ecb58b79d27be6e59a3948804c858d117b87deea3e3dda7c0b2fbc1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}