{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707981838",
    "entityType": "User",
    "nonce": "0x0652d810944ea4cb99151371bb13dcdf6ad67bfb0a9ad10cf4298e6eddfccc32",
    "signature": "0x0b859503d33ed977d1d958860b0d871baf3ed57860465c7a3b472d82573ecc306b24036a1087fd5e4645ecee8909d6d74dbf13a0388a0bbec623303b922f43341b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}