{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359039",
    "entityType": "User",
    "nonce": "0x6131e1520f62cd5aeae0daac1d3186edef5c00fd98911d44f12f08d5c837f735",
    "signature": "0x62edb733d7372f0ba8a00a8487361830c074bd50be6eabee8a177908fd3a366d7cb068f10acffe5cae67489b99dccfc32f586d1aed2acc0d4db6439bbb8102001c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}