{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x083e6112902045ca098f8c1d52b61e56b2c3e014571e5ecd62b9fc8ee5399485",
    "signature": "0xedb5bf9b3d45357a28e9972dc2149d9a261abb1fc3b19d12719f56001f7661fd09e2e52d0ec4932e0cada8b54dbeabf16907b7db38cfee95f3248cccf793afbc1c",
    "signer": "0xe41F5320beB875D9258D700883C0B499bD3e714F",
    "userId": "235192279"
  }
}