{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xf58c8af530756998b4a5ef350659c57e37f28b788cef9ca5b7ebb7f9e8cdba58",
    "signature": "0xf5df4da39014108524ca4f7c42f95fe9ae5ce359a40779717e759e2296153c43735fc6154964047cd1ae6b48a77595549a2758c28ae5069a8adc864e71c389821b",
    "signer": "0xAa41F58040c332bA099e607a94e779E0eaAd70a3",
    "userId": "256614453"
  }
}