{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366378",
    "entityType": "User",
    "nonce": "0xb3482fc90c43356fa04d407337bed1612c8f3157dd8f3f090295039de25f7e25",
    "signature": "0x2a4170ea30e9aa81fb5f58ee57aec41b6ae86283b9540ecc564b58303defdc8524c27083fd10a7ee4079c64714ac1bea0a9bd218767139cb448eefe2459e23751c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}