{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167051786",
    "entityType": "User",
    "nonce": "0xcc76051dc05610d57187386d53a69add03d21f28ba1600f4b8399fb51f02ac57",
    "signature": "0xf6ac2a14b787fa9b4b91c404181484e1be9115a2b93e963f525da3b097f8ef6d3356fbc12ade02df1d335292980258a3a31dee16c2586c00e2d069b1c96fd5451c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}