{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63770",
    "entityType": "User",
    "nonce": "0x8cc13ad43fefa5b9e8028b32fe3e57cdd22243db268d466ae62f8a0a5e9135bb",
    "signature": "0xc3b17501ea98086a7905af4a12a43b998d1731656862d478965937a9b85356254b73188b10ec2f0a8fee7f51a5ff397693720f1c0f9e30f4f0b4d399a0c692e61b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}