{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1026",
    "entityType": "User",
    "nonce": "0x66d7715918f4e7451e8ff18eda4c4fc172553243ec651c44b4e523b1af74070f",
    "signature": "0xb294eb3859b0b6d8abf86947fb4550b720abb303567479bf0ab6e7b7cb3beb502025f86d6dd4dc54f60ece6af008d2d638c7d24cc020f57953a295703c3c0ec11b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}