{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x5ac893d533645e70e12ea9b1813d74708fe2de133a5fe6dccef9d38b4bec6679",
    "signature": "0xd5e0f721d8541d94e9ecdd20f1ac7ef57711df7fdc6a1cd5fee70bc91c6b88c366f3d62f97104ae4e17fe8ee7125bcc602fb8eac8eba32fbebb306566b8df58d1b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}