{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7099",
    "entityType": "User",
    "nonce": "0xda682c65c63792e3bfa13fdd7b3312d198346005d7bb88c1ef5da37196233e8c",
    "signature": "0x7c0cfa94424c3823a4dabaad9ebf15f224172a0c79a2a441fe14b1dad3027179612b82375a25dd43c5216c24d19f7ede204e4e5c202c2990979e3c90c1f611021c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}