{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "388695",
    "entityType": "User",
    "nonce": "0x3372803a436de45f477324236f518158f88f16e9a04574d3a1b101831f4701d8",
    "signature": "0xa2c15746668c8c9554f46fc76d8c17b787be31ab0cf44e96f17af32badb3627d375bbce39d7a0c08a921daeebabf858dc92372c4cf75c703970b30de6d217e431b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}