{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "788325879",
    "entityType": "User",
    "nonce": "0x22cf2122eeb0ed952658a6a84a03bd27accd1b4c75190c650f4b6b7aa6233bf3",
    "signature": "0xf1fecb47f8d304f4c6c95c974fc41fda6accbab9cb4e74b4b0bafea013e9cbef0b4af23b0b9d2fd0fb03bb7c64f2932e47dc495dabda0eb597fd6e224c6a469c1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}