{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1450",
    "entityType": "User",
    "nonce": "0xa071c8257d016d8776e2e99459e986a9ff4e9304a484fcfd7f822f4b3e6d2ce0",
    "signature": "0x00ceb0bcc9322634b1a9b51463d5c4b935f22314c0a44a761a6e5a43622b8e3c702ef6d530ce1ffad2843d0b882c33e3dd04d697f28ebcdb4ae7ac7a7f3268ea1c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}