{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15269",
    "entityType": "User",
    "nonce": "0xbb183a0628a5031cd235ab1e73f4a71e85d447e13e4d2e9e47ec64fc91e1d74f",
    "signature": "0x7656ab6abdc0f0688df8013140fb66528573c83018f3322c3b93bacf86cbdfb5472a874184f608191ea54a9e9a807a0264ed0d80be0636996e6baaf9d297c4b31c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}