{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395286",
    "entityType": "User",
    "nonce": "0x77ff2108acf6ad028e7de9a230baf433a60c82d111ac86d29db45dc7e1a824cc",
    "signature": "0xa69095ad93fadd494ca3e72be28d90c6763ae88f53d3b1671b2dfdf39bfd6c6506db8993651e3fbfcb9863acf1ac3eb07c97a5a4a8fb218cd7a97ce376909f6e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}