{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x5037df8a0772ade147d80a4ef138a1560c560c33f9d123e8dcc82c194a50a443",
    "signature": "0xcc77eadad2de10a0034020e18c2e9c8470ceeb5ad57eab2ad15c640d62b993684d40c940b50ef837104f1406c171d6144e6126b26af99e42e276fa745294b3601b",
    "signer": "0x7964a5eF7E9a780013d3886B40ca04443D69588D",
    "userId": "224019652"
  }
}