{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135426",
    "entityType": "User",
    "nonce": "0xd486383984af574c9918bcae12f9032bd5cc9b454e13d4b85c9601914054128c",
    "signature": "0xa725e8136b8bf71d72eef875674dcd7627c07ad25be2c9b1336743a0ba94184e7d9c413b0a81f00038b2ba51b4e39a98d15cb3387cb2ef64050818dced49d6611b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}