{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57860",
    "entityType": "User",
    "nonce": "0x27d2016e53a79ee3613247e92729cf05e36441ad5e02fb18f37a819762fee88c",
    "signature": "0xcb66bd9bc747a35e397b89b89d704c50c2beb051e65d187e37202fdc1917b0fb61c68955565d0e0b731def4519b435af5e2f7495d270c8fb4da750c370fd1acd1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}