{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x91fc1a30462c373867e463fb8c4cc6956378420b91ae39e853edf2f5da03a0d8",
    "signature": "0x3d11bf1e2874a7e99e7c83acbd22f5de2e0d08ab6ee69c088f71d6ed4a1216ff3152febc7188e7cea7d9e69fa16e0b6199dba9d18af1ec41c06a4498efe2ef3d1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}