{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0x03e8e3582a6dab0823b239b25efc87f3d7504c34e6631eb7d02fbff726a2f616",
    "signature": "0xb3ca6b44aa3e9f108b72a3072a74d6d1c813b062d27b68c7c08d2cfdd86f42a03a4d61703f0db966969637c9eaa5e69ae279b5b07ce074eec2536b5b34428f751b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}