{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "800713840",
    "entityType": "User",
    "nonce": "0xb10c977e625dde98f94306e5a7378f8b02ce75c0c8148afcf66e105f631b8589",
    "signature": "0xaaf28b350e53f8d860d02b82f4e51ba5c0cd753597f32e30229f27792a92b1ed74d88337f3af7b7507d0f081bddbb0cbcf21a5a265a3e1f95628c2e4e5f9a31e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}