{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70839",
    "entityType": "User",
    "nonce": "0x68fd1cad13873ebaf505d14f5e419b3e4b77a41242f2f5bbddf68d3110b0a2d0",
    "signature": "0x9bdd8ba59a148b651c8ade8c0cc30ba86cd1392be8a6de45c75c34234f61ce1358afc0763b9f51348daf29e8c0e7e15a8cc2d38d8151064fd71fd39b0035fe171c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}