{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18278",
    "entityType": "User",
    "nonce": "0x5463975c46d865938ac5ef9be1eeb0997cc135a97182f68316cfe80df007bcf6",
    "signature": "0xb8d01fef4f9cdf496b1b6d7fe45691d0a7cfd7ec3679b38c0dc4c293358d9840100113418c37090b6eb387914886be72503cd72bc173fd9eeefb63ee87fa65af1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}