{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x9e39931ad03c1a1a14fb4cdd1d1b6d3eb2ac0f96f3e1935ae8dff72eddfc2800",
    "signature": "0x953f4c45ff43e093b6cd226a8a0402a5c6000657c17d444280df8b1892a16ac07a65c679db3400c345922a6239f7e496dc937bcbe40a17f656237017d795b2751b",
    "signer": "0x52Cb4b468190D878a90e6d678064532b2405fBC6",
    "userId": "184931764"
  }
}