{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x7ab075654ab6b810f621af358b453798da55c4b02ee42f019ff5a9f38db9df84",
    "signature": "0x146062001506de81425a6a1848465bb61c3dd77829aa78459d88e781ef07169c3ed01d2b330e7dc67da8ce433b0a5711bdf8dbe9dd72624dc61936d9cdb303c51c",
    "signer": "0x9Be01df22F1340b40F206a612998292e2e88166f",
    "userId": "236739171"
  }
}