{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78703",
    "entityType": "User",
    "nonce": "0xc92a74b28db9994ad98bc29d2bd26db79e1072682cf425150de3bcb287a490a6",
    "signature": "0x244c7a28edd7a039cf227c0e4907bd41784379d44b874e64c46413e89da498b901e99043869992674b933968b412c94add36ca1e2d7f44453497ed485f0478061c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}