{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "87716",
    "entityType": "User",
    "nonce": "0xefc654b9f7336f84c579f23fff14fd9947dc418dcb6dc2d9c034dda62e022d0b",
    "signature": "0x82954ec9dc61d2c107c404015a91105cf514d33e3f9c18b1aca0ceff5ca60fa726c7349a7c80bc85103b90d53bf9a359cd210edfd6ea8263200eb3687fbad7911b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}