{
  "manageEntity": {
    "action": "Follow",
    "entityId": "21640",
    "entityType": "User",
    "nonce": "0x8cb9343654c55fc1f2a33ef311bcde82a93264096b3f85fc983c7e51a4fedf10",
    "signature": "0x919acaeba5671748c6effd5c4d7dfbf9f63ce417d7fb62492422c9ca64d007d45555c6d6e9c7c69d582cee947aeb325e3fb6df15525775f803eb4c57369d4fe11c",
    "signer": "0x3CE226b3CA677B312E9396cc48d4008c70545091",
    "userId": "550328673"
  }
}