{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288244",
    "entityType": "User",
    "nonce": "0x0748cdaa2f4f047c40864c36b43181b621271291342c97a9792d0b4114ea2479",
    "signature": "0x11bdff16e76fe43017d864898f1d01a0e4fe3803832ec6a93ec2ecc9a1c1a925152956a803d334bfc36659f22d2127c9bb0292254e924886c1d7df7c079082e81b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}