{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132874",
    "entityType": "User",
    "nonce": "0xe76df7d1abc41c2b008e27082fbc41173e97429c84ff4e702ab9a6231001ad05",
    "signature": "0x4b262eacf40fe5b21d0cc24dac3700bd100d2c4a9a1f2a20f618a39f7da0ce652cd67a2117c95e881c2d187960503ce4a3e67ce4413fb531116df969d5eea9bf1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}