{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860875289",
    "entityType": "User",
    "nonce": "0x594c522ccfa95e54b5350692a2e3feceb31f2daf9af55d965394ad5812b9dde3",
    "signature": "0xe0b472ebe7def867ef28020be4a0244b33554d31693af254a5d9022a220cf2414e227fd4482199fe99bed19b4d3077b4cd726de9cae8f44026c95c3b83e7f03a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}