{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x144ab3b3c868e41bf5f90883905577a2ffca377cce5d8649252b1ecbac9ebec5",
    "signature": "0x651e17c810186de1344c70979a5fa53b66f0b7308ee75f4a4ecb994868e7e5db15a31340783533d78fdebc7f6cf8e7e3029c1216d2ef0d448c87d8c094e6b5b41c",
    "signer": "0xEc377b67328447935401Ebc4Ed75Ec0B2217Cf0b",
    "userId": "28240798"
  }
}