{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfb5d32f1804251719e6770f860cd25d428f6dc51def4c6714826523e6eba9aa9",
    "signature": "0x23a339dad5214d02161b54f83075b9538758ecb0ddeaef59ff91c1357429fbcc03b0f651f127cba04bad3e77d4fa8590f1b9eb9f883e926cff1327a4697b93201b",
    "signer": "0x24295a85340dbc47B5776Ee15ddccF63B26F3F22",
    "userId": "948276435"
  }
}