{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236599",
    "entityType": "User",
    "nonce": "0xeb8582e5716409262238aa28df93baa1e78cfef224db4f708b07de0a006f0113",
    "signature": "0xa5c1f1c41cae5941a436a34c91c53255d7c02c93a987bc3bae99cef6136567ee6a1c11deb2919f77a1eb608afa5fa9fa173d288023736909025b8488255fb8b21c",
    "signer": "0x7D273271690538cF855E5b3002A0dD8c154bB060",
    "userId": "1"
  }
}