{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0xa63f355a6283f683e35e0b8dee23e61ff1ab9cb9cade44b507feda5167ebc2c9",
    "signature": "0x2467032ffa05a5c3610e3f1eefe1a8d5d84fbdb92acb53682f74de14e4f99027732f6a1144bee010ada57ad719a145ab38981ba749d1d00df55dbf586ccc9bf01b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}