{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "247949",
    "entityType": "User",
    "nonce": "0xa97459e6b3ff94bdfc4130e17928b5bf33105e1104c861a169f6f120eae74051",
    "signature": "0x9aab3c73fb84483ee4a3dc90e29ffc969bf6083028826fa24093d6e3d931761b275dea0ce0174e387f9a3707203b87fee4fa2a864aee98d0dbe03917488fb1ae1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}