{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x6cdc06e190dd865e788ccc39761e1357a2ef0949bc47bfc19735e749deb34b49",
    "signature": "0x3da7d4000711621b04a11a2cf8d79b9827b47ef076df4c49830fb3d4c4bf054319728260277da05a9fa718577d18f4daaf11ae2bb206b6c725f73a0f5bfb05611b",
    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}