{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317894",
    "entityType": "User",
    "nonce": "0x8f01c477507377534ccc388fd4d572d8cec2513393af4c894e1cc46d5f8f6813",
    "signature": "0xb9a8b4e8965369dd657afb73d20d41fc21aac70a864a7a1bda3932e077f9abf846fecb896e6d8e7cb722a80fee9880d22e1977bf50b7a18ed2ddd8d749dacdf71c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}