{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xad10818102339c1956a01fc5012dc8f7a480c3df081ad6ead91de54d18d30ece",
    "signature": "0x37c0baec8cf7db04d4cddb7694edc339be308d72e84fa66d120da30717a45e3a364ff9ef077852322d3534d55b47eb9abdc7da5d2beecbfefdedf8840b14a2631b",
    "signer": "0x81Bf0645011274410d5E45790ff7D2d89f3e2254",
    "userId": "880775312"
  }
}