{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x73259867bd9a9721fd7a12545249b6a1fcd96dec97a7cbed3312fdcfe0a5ad78",
    "signature": "0xa30bdca0c817bc30e92a85f15517d09442e967be8d0a82d43506dd03aa59e77947bc3bc8f25b85e4cbe5c2acea66a0fb928b693d026121a923a048658efa52091c",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}