{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "122592",
    "entityType": "User",
    "nonce": "0x61de77725405af91a5662a3e3087c378e9d7366c4ffb09479d838657a2d3ce78",
    "signature": "0xd00efd73247fa8f169c9a59779994afa3d82786dc4f07dc60535fb9a54f7ffcb03143317518553ac956fa3e1085e0daa40f5b9aa90fc7a322e97a8c89040c7731b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}