{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17091",
    "entityType": "User",
    "nonce": "0x4ce562de72634532682fb953a7cccddd21e762705de1245d5e2e769c8ee4c271",
    "signature": "0x5dee6f45ea56d2be20e0347d26425b18c96705821a7dca650d93ee016f678e071cac2dbe326a1f9e530b6209b6c465fcc1f4303ac67ffbe668b382ecdce307d91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}