{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010398",
    "entityType": "User",
    "nonce": "0x6469da72d482006c9b1d582b1ca3f9f408cfc85968b9cccc30aeb2cfb2a69505",
    "signature": "0x1fe428bab80c097c10492c11a138654854795c162fb9641e1376b614c5d201620b56ba0cb362f321dfe14b2e10de62e4c89ff1bafaf5a373e448a323969189a91c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}