{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "801294901",
    "entityType": "User",
    "nonce": "0x7cbc82bde377146ab2fc91e8c357902de446deed255ffb58b5a9c7a6913e1a1e",
    "signature": "0xbc97c7401706c9f4c9a8398057e4044f419075556f2d47587a952a813b97e541581d6b34bd8ef00ad018955c0f0f2e74b57744ba17cdd6af00efa1a2aeb3bfeb1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}