{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xfeefdd1bf32e91b2d488137cd78470c96ed326030af186ca3d935cb89238c46b",
    "signature": "0x6924bfa96a6d39690a67f4dd5a880b0da6e20682bbfc24ab823f6860c003cb9c048404d8312c6b7e5f20deff2b0727c8a260f9fd2279c98cd6458566b30b3a3c1c",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}