{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52586",
    "entityType": "User",
    "nonce": "0x9872cd94ece5db0e5a68725f8bb7297b5efa87689d5153d8e32fe4f77b2f1e15",
    "signature": "0x6a7c3019f249758f4c9917cc63cd0310b727778891ea1ed83652484b558d70224e32bf1849d33313e65ed6d9526b809dbf43420aa1b26ceadd870e565a30da5f1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}