{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175425",
    "entityType": "User",
    "nonce": "0x1b4b34171b30ae3866b9e8d0925f924414c3195f4e43f0452c71c63a6b084b26",
    "signature": "0xb3113bec8dc82fc7fab9b44759fcc09e57d4c5c01f582584b9f9339c52b2b81c0c227f19792c06d865c7775c929b4f8f9e5a3313fc486b10843c554d8facabaa1b",
    "signer": "0xDd92873Ebabe0C8745098107BD2457E19020CD61",
    "userId": "631125501"
  }
}