{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6301",
    "entityType": "User",
    "nonce": "0x82768ebea1138663c6f37b9d3c8d89441b92bf7c6034460d1ee801bc7ee16a95",
    "signature": "0x7f22e1c3198b0c2596a33d1073b63e811b38fa58f210a392510eae91bfbe025a41ca77f8c5de948b6b69c208bdd3e36adffcd1f8e23fcd3bd618fa49052217c11b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}