{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0x2c91eea29eac56dc50ac8f13e10ae53eabb5f9670c4bf44c21c395b3e497644e",
    "signature": "0x79bf3710dde5f701162894193f026b3f98dad3f65555a46a47356a2e8b264ba8566e60e48895489cb97f0c14c977ec29505375b93f7d3203600b59fba7e46f521b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}