{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x835e6f0a307007918e68d06c0894d1a73075d62b0da0a98f5e53c91c25e7e55c",
    "signature": "0x988c9b5affda28dc6fa94d273385ce74276f863edc421640f48314591c88af2263deb6b22bf6dd7550c94985b92a8ee74e1f83ca4e07ace58cc1b95c49bb37b01c",
    "signer": "0x689Be5c20E6Da52e11A70751E9FaCb05Abbc7805",
    "userId": "676830468"
  }
}