{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39876",
    "entityType": "User",
    "nonce": "0xc496f3ac7370c9dde8c7a24f921f74ce9cf04105fe37ffd6a94702d876cbcce2",
    "signature": "0xbac5fddf05fb98c500c2f5e621a0dd0453510ae55d71b82a8a4fddc4a0b2d54c1fd32491ed3ba32158652cf778be5821d89e0dbc95e0faa7c961fcf8ee72c7691c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}