{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1948375",
    "entityType": "User",
    "nonce": "0x61933f5f15698e1685be97ff2be7e0d8e4172ba74823798cf008c9ecaea54646",
    "signature": "0xa6555f1c7ca674dbda4d655254d2cfefd0e559c8c99bc87d208322307a4fb58742ff0f3c77404e38c434305dcfe1eb9c1d00f07f9f13efe253652b28c9da46b81c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}