{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787975550",
    "entityType": "User",
    "nonce": "0xe46e7ee312bce2fb27c8f3016396672d133b749b4217a70b21c6d22d18bc7daa",
    "signature": "0x506f8f07f6e1fd93f71272fc139563c809ffb864469efed70a73c1fd6cea722053c8af6900d5bb0f4536720cf70b127182d6276a94ce11f9ae5fdcaea8e85d0b1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}