{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1829354",
    "entityType": "User",
    "nonce": "0x47b1519039f5c48b73ff27fedc5be5190397eabe8d55b777e38290afdf65e419",
    "signature": "0xc9e3942671994844dee8027072dc5879b4e539fe4194038c666a638903b94ddc31750780e63598ee2e122a384afeb681c8d5fefc77c7f7522ac4f18a2932cbd91b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}