{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30617",
    "entityType": "User",
    "nonce": "0x7bc418246b8613dc16738070df8aa12fd4c81dea3ec2ce6c4d141327ca9ffeca",
    "signature": "0x18eb4779fa92d03ae23842259d35ef33c90a6629ffeac460225e20b1eefd28fa4b71a07f00428df82093266d4ba4fbbe32038ce343c18df782407e73213642601b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}