{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169768",
    "entityType": "User",
    "nonce": "0xe74d67e077db148d4502c2e04c85134e11be663c0676e51d15df374b29d3478a",
    "signature": "0x656dc5d10df45ceb707cdabc605876a73ad1864f7e8e98bd2d9d414eaa3057200198557aba675d1decaa20a3fffdb25662c2ea6a0aff2831cd7a14ea9e86d1051c",
    "signer": "0xe0f6b3Cefe5Db93284B999Aa53741a5e72D8C4Dc",
    "userId": "78850005"
  }
}