{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106617",
    "entityType": "User",
    "nonce": "0xc690bc8544a00660ff939db1ec2e40bdeaad80d6019f7bcf1207f5fcd77244fd",
    "signature": "0xce21bcc2b80ab467562ca80a7db470cd78fab99d8cecde104f7ae17d0bdc989b375eb8c4afcb26e09502a317b84cc3e1502e4022a098541cc6e292b9ac944ee31c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}