{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "336467",
    "entityType": "User",
    "nonce": "0x794e53c7f5233ffee2d7f2368d38c901bd950d1f18067b0c1207322a2411f9cf",
    "signature": "0xc976d1cdce3aa6f5859fcae81c36ed29bb2e4109b1194e98c82a329e0f55393464f6bfa32316094941da2fd722c589f1f17aa1a1d731c87c4cde6e70454e268d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}